Eyes on the sky

Spectators wait for the arrival of the space shuttle Discovery in the parking lot of the Smithsonian National Air and Space Museum's Steven F. Udvar-Hazy Center in Chantilly, Va.

Spectators wait for the arrival of the space shuttle Discovery in the parking lot of the Smithsonian National Air and Space Museum's Steven F. Udvar-Hazy Center in Chantilly, Va. (Chip Somodevilla / Getty Images)

Spectators wait for the arrival of the space shuttle Discovery in the parking lot of the Smithsonian National Air and Space Museum's Steven F. Udvar-Hazy Center in Chantilly, Va.